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<FONT color="green">001</FONT>    package org.hackystat.utilities.time.interval;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.Iterator;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.NoSuchElementException;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    import org.hackystat.utilities.time.period.Week;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    /**<a name="line.8"></a>
<FONT color="green">009</FONT>     * Provides an iterator over week intervals.<a name="line.9"></a>
<FONT color="green">010</FONT>     * <a name="line.10"></a>
<FONT color="green">011</FONT>     * @author Hongbing Kou<a name="line.11"></a>
<FONT color="green">012</FONT>     */<a name="line.12"></a>
<FONT color="green">013</FONT>    public class WeekIterator implements Iterator&lt;Week&gt; {<a name="line.13"></a>
<FONT color="green">014</FONT>      /** End week. */<a name="line.14"></a>
<FONT color="green">015</FONT>      private Week endWeek;<a name="line.15"></a>
<FONT color="green">016</FONT>      /** Current week. */<a name="line.16"></a>
<FONT color="green">017</FONT>      private Week currentWeek;<a name="line.17"></a>
<FONT color="green">018</FONT>       <a name="line.18"></a>
<FONT color="green">019</FONT>      /**<a name="line.19"></a>
<FONT color="green">020</FONT>       * Creates an iterator.<a name="line.20"></a>
<FONT color="green">021</FONT>       * <a name="line.21"></a>
<FONT color="green">022</FONT>       * @param weekInterval Week interval.<a name="line.22"></a>
<FONT color="green">023</FONT>       */<a name="line.23"></a>
<FONT color="green">024</FONT>      WeekIterator(WeekInterval weekInterval) {<a name="line.24"></a>
<FONT color="green">025</FONT>        Week startWeek = weekInterval.getStartWeek();<a name="line.25"></a>
<FONT color="green">026</FONT>        this.endWeek = weekInterval.getEndWeek();<a name="line.26"></a>
<FONT color="green">027</FONT>        this.currentWeek = startWeek.dec();<a name="line.27"></a>
<FONT color="green">028</FONT>      }<a name="line.28"></a>
<FONT color="green">029</FONT>      <a name="line.29"></a>
<FONT color="green">030</FONT>      /**<a name="line.30"></a>
<FONT color="green">031</FONT>       * Required for iterator().  It will throw UnSupportedMethodException.<a name="line.31"></a>
<FONT color="green">032</FONT>       */<a name="line.32"></a>
<FONT color="green">033</FONT>      public void remove() {<a name="line.33"></a>
<FONT color="green">034</FONT>        throw new UnsupportedOperationException("remove() is not supported by week iterator.");<a name="line.34"></a>
<FONT color="green">035</FONT>      }<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>      /**<a name="line.37"></a>
<FONT color="green">038</FONT>       * Whether it is still inside the day interval.<a name="line.38"></a>
<FONT color="green">039</FONT>       * <a name="line.39"></a>
<FONT color="green">040</FONT>       * @return True if it is still in the interval.<a name="line.40"></a>
<FONT color="green">041</FONT>       */<a name="line.41"></a>
<FONT color="green">042</FONT>      public boolean hasNext() {<a name="line.42"></a>
<FONT color="green">043</FONT>        return this.currentWeek.compareTo(this.endWeek) &lt; 0;<a name="line.43"></a>
<FONT color="green">044</FONT>      }<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>      /**<a name="line.46"></a>
<FONT color="green">047</FONT>       * Gets the next day.<a name="line.47"></a>
<FONT color="green">048</FONT>       * <a name="line.48"></a>
<FONT color="green">049</FONT>       * @return Next day.<a name="line.49"></a>
<FONT color="green">050</FONT>       */<a name="line.50"></a>
<FONT color="green">051</FONT>      public Week next() {    <a name="line.51"></a>
<FONT color="green">052</FONT>        this.currentWeek = this.currentWeek.inc();<a name="line.52"></a>
<FONT color="green">053</FONT>        <a name="line.53"></a>
<FONT color="green">054</FONT>        if (this.currentWeek.compareTo(this.endWeek) &gt; 0) {<a name="line.54"></a>
<FONT color="green">055</FONT>          throw new NoSuchElementException("Reaches the end of week interval already.");<a name="line.55"></a>
<FONT color="green">056</FONT>        }<a name="line.56"></a>
<FONT color="green">057</FONT>        <a name="line.57"></a>
<FONT color="green">058</FONT>        return this.currentWeek;<a name="line.58"></a>
<FONT color="green">059</FONT>      }<a name="line.59"></a>
<FONT color="green">060</FONT>    }<a name="line.60"></a>




























































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